1.1. Linux Quick Start Guide¶

1.1.1. Setup¶

To add python to PATH: export PATH="/C/Users\vkisf\AppData\Local\Programs\Python\Python38:$PATH"
To add python scripts (pytest etc.) to PATH: export PATH="/C/Users\vkisf\AppData\Local\Programs\Python\Python38\Scripts:$PATH"
To add java to PATH: export PATH="/C/Users/vkisf/AppData/Local/Programs/AdoptOpenJDK/jdk-11.0.8.10-hotspot/bin:$PATH"
To set an alias: ``alias python38=”winpty /C/UsersvkisfAppDataLocalProgramsPythonPython38python.exe”
To ssh: alias ssh_server1="ssh username@servername.com"

To clear terminal window text: clear
To copy text from terminal: simply highlight the text
To paste text into terminal: Shift + Insert
To change directories: cd folder1/folder2
To back out a directory: cd .. then back out 2 and so on: cd ../..
To back out to home directory: cd ~
To create a directory: mkdir folder1
To create a file: touch file.txt
To concatenate 2 files: cat file1.txt file2.txt > file2.txt
- Pipe to a file: >
- To append to a file: >>
To to print file content to terminal: cat file1.txt
To execute a file: ./file1.txt
To remove a file: rm file1.txt
To remove all files under a folder: rm -rf folder1
To remove a folder: rmdir folder1
To rename a file/folder: mv file1.txt file2.txt
To get current working directory: pwd
To get list of files/folders in your current working directory: dir -la or ls -la (-l for long desc, -a for hidden)
To search for text in files/folders: grep -r "text" * (the “*” is a wild card)

To get list of files/folders with permission levels in your current working directory: dir -la
To change file/folder permissions: chmod -R u=rwx folder
- -R is recursively change all files/folder under the given folder
- u is for “user”, g for “group”, o for “other” and a for “all”
- r for “read”, w for “write”, x for “execute”
To change group of a file/folder: chgrp new_groupname file.txt
To check which groups you belong to: groups

To print datetime: date +%m%d%y (note lower case is short form, upper case is long form)
To declare a variable in a script: variable1 = "this" and to call it $variable1